sources of water Flashcards
revision
WHHAT ARE THE MAIN SOURCES OF WATER IN PAKISTAN
SURFACE WATER, GROUND WATER, RAINFALL
WHAT IS THE RAINFALL DISTRIBUTION OF PAKISTAN
VARIES, 125 MM PER YEAR IN BALOCHISTAN SOUTHEAST TO 750 MM IN NORTH WEST
WHAT ARE THE MAJOR EXCHANGE PROCESSES FOR WATER BETWEEN ATMOSPHERE AND EARTHS SURFACE?
EVAPORATION AND PRECIPITATION
WHAT IS THE MAIN SOURCE OF SURFACE WATER in pakistan
RIVER INDUS AND ITS TRIBUTARIES
WHERE ARE THE GROUNDWATER REASOURCES OF THE INDUS PLAIN
groundwater resources of the indus plain(1600km) are in himalayan foothills to the arabian sea
what is the ground water resources of the indus plain becoming?
the extensive unconified aquifier is fast becoming the supplemental source of water through conventional methods such as tubewells karez system persian wheel
What is runoff? What is percolation?
runoff is water that runs off the surface of the ground and into the rivers, lakes or sea percolation means water soaking through the ground
WHAT IS THE WATER TABLE, WRITE TWO INTERESTING FACTS ON IT
THE HIGHEST LEVEL OF THE GROUND THAT IS SATURATED BY WATER, IT CAN FILL NATURAL UNDERGROUND RESERVOIRS AND THE WATER TABLE MIGHT FIND AN OPENING WHERE IT CAN FLOW OUT OF THE GROUND AS A SPRING
HOW MUCH WATER DOES THE EARTH AND THE TROSOSPHER CONTAIN AND IN WHICH STATES
The earth and the trosospher the lowest layer of atmosphere always contain the same amount of water which can be in different states solid liquid or gas
how much water does the ocean hold
97 percent of the Earths water
what is the remaining 3 percent of water found in
glaciers ice below ground as watertable rivers lakes
how much area does pakistan have under glaciers
13680km squared it is more then any other country
what is the largest glacier in pakistan
Siachen glacier 78 km long, in the eastern part of the karakoram mountains
what is the water cycle, what else is it called
water is stored inside plants and animals, and people, water is always on the move it goes round and round the movement of water is called the water cycle the is also known as the hydrological cycle
what does the watercycle describe
how all the water in the hydrosphere continuously moves between oceans lakes rivers land and atmosphere which is all driven by sun
